4 * Purpose: Implementation of macro class for mathed
5 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
6 * Created: November 1996
7 * Description: WYSIWYG math macros
11 * Copyright: (c) 1996, 1997 Alejandro Aguilar Sierra
13 * Version: 0.2, Mathed & Lyx project.
15 * This code is under the GNU General Public Licence version 2 or later.
19 #include FORMS_H_LOCATION
22 #pragma implementation "math_macro.h"
23 #pragma implementation "math_defs.h"
27 #include "math_macro.h"
28 #include "math_iter.h"
29 #include "math_inset.h"
30 #include "support/lstrings.h"
34 ostream & operator<<(ostream & o, MathedTextCodes mtc)
39 enum MathedMacroFlag {
45 ostream & operator<<(ostream & o, MathedMacroFlag mmf)
50 extern int mathed_string_width(short type, int style, byte const* s, int ls);
51 extern int mathed_string_height(short, int, byte const*, int, int&, int&);
54 MathMacro::MathMacro(MathMacroTemplate* t):
55 MathParInset(LM_ST_TEXT, "", LM_OT_MACRO), tmplate(t)
57 nargs = tmplate->getNoArgs();
58 tcode = tmplate->getTCode();
59 args = new MacroArgumentBase[nargs];
60 for (int i = 0; i < nargs; ++i) {
61 // if (tmplate->getMacroPar(i)->Permit(LMPF_ALLOW_CR))
62 // args[i].row = new MathedRowSt(tmplate->getMacroPar(i)->GetColumns());
65 /* int k = tmplate->getMacroPar(i)->GetColumns();
67 args[i].array = new LyxArrayBase;
68 for (int j= 0; j<k-1; ++j) args[i].array->Insert(j, LM_TC_TAB);
72 SetName(tmplate->GetName());
76 MathMacro::MathMacro(MathMacro * m):
77 MathParInset(LM_ST_TEXT, m->GetName(), LM_OT_MACRO)
80 nargs = tmplate->getNoArgs();
81 tcode = tmplate->getTCode();
82 args = new MacroArgumentBase[nargs];
84 SetName(tmplate->GetName());
85 for (int i = 0; i < tmplate->nargs; ++i) {
87 MathedIter it(m->GetData());
88 args[i].row = m->args[i].row;
89 args[i].array = it.Copy();
93 MathMacro::~MathMacro()
95 for (idx = 0; idx < nargs; ++idx) {
96 MathedIter it(args[idx].array);
104 MathedInset * MathMacro::Clone()
106 return new MathMacro(this);
110 void MathMacro::Metrics()
113 tmplate->update(this);
115 width = tmplate->Width();
116 ascent = tmplate->Ascent();
117 descent = tmplate->Descent();
121 void MathMacro::draw(Painter & pain, int x, int y)
125 tmplate->update(this);
126 tmplate->SetStyle(size);
127 tmplate->draw(pain, x, y);
128 for (int i = 0; i < nargs; ++i)
129 tmplate->GetMacroXY(i, args[i].x, args[i].y);
133 int MathMacro::GetColumns()
135 return tmplate->getMacroPar(idx)->GetColumns();
139 void MathMacro::GetXY(int & x, int & y) const
141 x = args[idx].x; y = args[idx].y;
145 bool MathMacro::Permit(short f)
148 tmplate->getMacroPar(idx)->Permit(f) : MathParInset::Permit(f);
152 void MathMacro::SetFocus(int x, int y)
154 tmplate->update(this);
155 tmplate->SetMacroFocus(idx, x, y);
159 void MathMacro::Write(ostream & os)
162 MathMacro::Write(output);
167 void MathMacro::Write(string &file)
169 if (tmplate->flags & MMF_Exp) {
170 lyxerr[Debug::MATHED] << "Expand " << tmplate->flags
171 << ' ' << MMF_Exp << endl;
172 tmplate->update(this);
173 tmplate->Write(file);
175 if (tmplate->flags & MMF_Env) {
189 if (!(tmplate->flags & MMF_Env) && nargs > 0)
192 for (int i = 0; i < nargs; ++i) {
193 array = args[i].array;
194 MathParInset::Write(file);
198 if (tmplate->flags & MMF_Env) {
213 /*--------------- Macro argument -----------------------------------*/
215 MathMacroArgument::MathMacroArgument(int n)
219 SetType(LM_OT_MACRO_ARG);
223 void MathMacroArgument::draw(Painter & pain, int x, int baseline)
226 MathParInset::draw(pain, x, baseline);
229 sprintf(reinterpret_cast<char*>(s), "#%d", number);
230 drawStr(pain, LM_TC_TEX, size, x, baseline, &s[0], 2);
235 void MathMacroArgument::Metrics()
238 MathParInset::Metrics();
241 sprintf(reinterpret_cast<char*>(s), "#%d", number);
242 width = mathed_string_width(LM_TC_TEX, size, &s[0], 2);
243 mathed_string_height(LM_TC_TEX, size, &s[0], 2, ascent, descent);
248 void MathMacroArgument::Write(ostream & os)
251 MathMacroArgument::Write(output);
256 void MathMacroArgument::Write(string & file)
259 MathParInset::Write(file);
262 file += tostr(number);
268 /* --------------------- MathMacroTemplate ---------------------------*/
270 MathMacroTemplate::MathMacroTemplate(char const * nm, int na, int flg):
271 MathParInset(LM_ST_TEXT, nm, LM_OT_MACRO),
272 flags(flg), nargs(na)
275 tcode = LM_TC_ACTIVE_INSET;
276 args = new MathMacroArgument[nargs];
277 for (int i = 0; i < nargs; ++i) {
278 args[i].setNumber(i + 1);
285 MathMacroTemplate::~MathMacroTemplate()
287 // prevent to delete already deleted objects
288 for (int i = 0; i < nargs; ++i) {
295 void MathMacroTemplate::setEditMode(bool ed)
299 for (int i = 0; i < nargs; ++i) {
300 args[i].setExpand(false);
304 for (int i = 0; i < nargs; ++i) {
305 args[i].setExpand(true);
311 void MathMacroTemplate::draw(Painter & pain, int x, int y)
314 bool expnd = (nargs > 0) ? args[0].getExpand(): false;
315 if (flags & MMF_Edit) {
316 for (int i = 0; i < nargs; ++i) {
317 args[i].setExpand(false);
321 for (int i = 0; i < nargs; ++i) {
322 args[i].setExpand(true);
326 MathParInset::draw(pain, x, y);
329 for (int i = 0; i < nargs; ++i) {
330 args[i].setExpand(expnd);
335 void MathMacroTemplate::Metrics()
337 bool expnd = (nargs>0) ? args[0].getExpand(): false;
339 if (flags & MMF_Edit) {
340 for (int i = 0; i < nargs; ++i) {
341 args[i].setExpand(false);
344 for (int i = 0; i < nargs; ++i) {
345 args[i].setExpand(true);
348 MathParInset::Metrics();
350 for (int i = 0; i < nargs; ++i) {
351 args[i].setExpand(expnd);
356 void MathMacroTemplate::update(MathMacro * macro)
358 int idx = (macro) ? macro->getArgumentIdx(): 0;
359 for (int i = 0; i < nargs; ++i) {
361 macro->setArgumentIdx(i);
362 args[i].SetData(macro->GetData());
363 MathedRowSt *row = macro->getRowSt();
364 args[i].setRowSt(row);
368 macro->setArgumentIdx(idx);
372 void MathMacroTemplate::WriteDef(ostream & os)
374 os << "\n\\newcommand{\\" << name << "}";
377 os << "[" << nargs << "]";
381 for (int i = 0; i < nargs; ++i) {
382 args[i].setExpand(false);
389 void MathMacroTemplate::WriteDef(string &file)
391 file += "\n\\newcommand{\\";
397 file += tostr(nargs);
403 for (int i = 0; i < nargs; ++i) {
404 args[i].setExpand(false);
411 void MathMacroTemplate::setArgument(LyxArrayBase * a, int i)
417 void MathMacroTemplate::GetMacroXY(int i, int & x, int & y) const
423 MathParInset * MathMacroTemplate::getMacroPar(int i) const
425 return (i >= 0 && i < nargs) ? static_cast<MathParInset*>(&args[i]) : 0;
429 void MathMacroTemplate::SetMacroFocus(int &idx, int x, int y)
431 for (int i = 0; i < nargs; ++i) {
432 if (args[i].Inside(x, y)) {
440 /* -------------------------- MathMacroTable -----------------------*/
442 MathMacroTable::MathMacroTable(int n): max_macros(n)
444 macro_table = new MathMacroTemplateP[max_macros];
449 MathMacroTable::~MathMacroTable()
451 delete[] macro_table;
455 // The search is currently linear but will be binary or hash, later.
456 MathMacroTemplate * MathMacroTable::getTemplate(char const * name) const
458 for (int i = 0; i < num_macros; ++i) {
459 if (strcmp(name, macro_table[i]->GetName()) == 0)
460 return macro_table[i];
466 void MathMacroTable::addTemplate(MathMacroTemplate * m)
468 if (num_macros < max_macros)
469 macro_table[num_macros++] = m;
471 lyxerr << "Error (MathMacroTable::addTemplate): "
472 "Macro table exhausted!" << endl;
476 // All this stuff aparently leaks because it's created here and is not
477 // deleted never, but it have to live all the LyX sesion. OK, would not
478 // so hard to do it in the MacroTable destructor, but this doesn't harm
479 // seriously, so don't bother me with purify results here. ;-)
481 void MathMacroTable::builtinMacros()
484 MathParInset * inset;// *arg;
485 LyxArrayBase * array2;
489 lyxerr[Debug::MATHED] << "Building macros" << endl;
491 // This macro doesn't have arguments
492 MathMacroTemplate * m = new MathMacroTemplate("notin"); // this leaks
494 LyxArrayBase * array = new LyxArrayBase; // this leaks
496 iter.Insert(new MathAccentInset(LM_in, LM_TC_BOPS, LM_not)); // this leaks
499 // These two are only while we are still with LyX 2.x
500 m = new MathMacroTemplate("emptyset"); // this leaks
502 array = new LyxArrayBase; // this leaks
504 iter.Insert(new MathAccentInset('O', LM_TC_RM, LM_not)); // this leaks
507 m = new MathMacroTemplate("perp"); // this leaks
509 array = new LyxArrayBase; // this leaks
511 iter.Insert(LM_bot, LM_TC_BOP);
514 // binom has two arguments
515 m = new MathMacroTemplate("binom", 2);
517 array = new LyxArrayBase;
520 inset = new MathDelimInset('(', ')');
521 iter.Insert(inset, LM_TC_ACTIVE_INSET);
522 array = new LyxArrayBase;
524 MathFracInset *frac = new MathFracInset(LM_OT_ATOP);
525 iter.Insert(frac, LM_TC_ACTIVE_INSET);
526 inset->SetData(array);
527 array = new LyxArrayBase;
528 array2 = new LyxArrayBase;
530 iter.Insert(m->getMacroPar(0));
531 iter.SetData(array2);
532 iter.Insert(m->getMacroPar(1));
533 frac->SetData(array, array2);
536 // Cases has 1 argument
537 m = new MathMacroTemplate("cases", 1, MMF_Env); // this leaks
539 array = new LyxArrayBase; // this leaks
541 arg = new MathMatrixInset(2, 1); // this leaks
544 arg->SetAlign('c', "ll");
545 iter.Insert(arg, LM_TC_ACTIVE_INSET);
546 inset = new MathDelimInset('{', '.'); // this leaks
547 inset->SetData(array);
548 array = new LyxArrayBase; // this leaks
550 iter.Insert(inset, LM_TC_ACTIVE_INSET);
554 // the environment substack has 1 argument
555 m = new MathMacroTemplate("substack", 1, MMF_Env); // this leaks
557 arg = new MathMatrixInset(1, 1); // this leaks
559 arg->SetType(LM_OT_MACRO);
560 array = new LyxArrayBase; // this leaks
562 iter.Insert(arg, LM_TC_ACTIVE_INSET);
567 MathMacroTable MathMacroTable::mathMTable(255);
568 bool MathMacroTable::built = false;